Stenostephanus monolophus (Donn. Sm.) T.F. Daniel [ Hansteinia monolopha (Donn. Sm.) D.N. Gibson]
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Stenostephanus monolophus (Donn. Sm.) T.F. Daniel [] []
P.C. Standley, J.A. Steyermark, Fl. Guatemala, vol. 10(3,4): : p. 371, fig. 83 (1946-1977) [M. Pahl]